@@ -109,10 +109,50 @@ void testCreateProductBadRequest() {
109109 .expectStatus ().isBadRequest ();
110110 }
111111
112+ @ Test
113+ void testUpdateProductSuccess () {
114+ // Given
115+ ProductDTO updatedProductDTO = getSavedTestProduct ();
116+ updatedProductDTO .setName ("UPDATED name" );
117+ 118+ String productId = updatedProductDTO .getId ();
119+ 120+ 121+ // When
122+ webTestClient .put ().uri (ProductRouterConfig .PRODUCT_ID_PATH , productId )
123+ .body (Mono .just (updatedProductDTO ), ProductDTO .class )
124+ .exchange ()
125+ // Then
126+ .expectStatus ().isOk ()
127+ .expectHeader ().contentType (MediaType .APPLICATION_JSON )
128+ .expectBody (ProductDTO .class )
129+ .value (dto -> {
130+ assertThat (dto .getName ().equals (updatedProductDTO .getName ()));
131+ });
132+ }
133+ 134+ @ Test
135+ void testUpdateProductNotFound () {
136+ // Given
137+ String nonExistentProductId = "non_existent_id" ;
138+ ProductDTO updatedProductDTO = new ProductDTO ();
139+ updatedProductDTO .setName ("Updated Product" );
140+ updatedProductDTO .setDescription ("Updated Product" );
141+ updatedProductDTO .setImgUrl ("https://image.com/image.jpeg" );
142+ updatedProductDTO .setPrice (BigDecimal .TEN );
143+ 144+ 145+ // When
146+ webTestClient .put ().uri (ProductRouterConfig .PRODUCT_ID_PATH , nonExistentProductId )
147+ .body (Mono .just (updatedProductDTO ), ProductDTO .class )
148+ .exchange ()
149+ // Then
150+ .expectStatus ().isNotFound ();
151+ }
112152
113153
114154
115- private ProductDTO getSavedTestProduct () {
155+ private ProductDTO getSavedTestProduct () {
116156 return productService .getAllProducts ().next ().block ();
117157 }
118158
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